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Day 160: JEE Mains Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Laws of Motion. Asked once: 4 Apr 2026 S1 (same type asked 5 times) See all 5 of this type

    3
    The time taken by a block of mass mm to slide down from the highest point to the lowest point on a rough inclined plane is 50%50\% more compared to the time taken by the same block on identical inclined smooth plane. Both inclined planes are at 45∘45^{\circ} with the horizontal. The coefficient of kinetic friction between the rough inclined surface and block is ____\_\_\_\_ .

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  2. Question 2

    Mechanical Properties of Solids. Asked once: 26 Jul 2022 (same type asked 5 times) See all 5 of this type

    110
    The area of cross section of the rope used to lift a load by a crane is 2.5×10−4 m22.5 \times10^{- 4}{\text{ }m}^{2}. The maximum lifting capacity of the crane is 10 metric tons. To increase the lifting capacity of the crane to 25 metric tons, the required area of cross section of the rope should be : (take g=10 ms−2g = 10{\text{ }ms}^{- 2} )

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  3. Question 3

    Electromagnetic Induction. Asked once: 31 Jan 2024 (same type asked 5 times) See all 5 of this type

    113
    The magnetic flux ϕ\phi (in weber) linked with a closed circuit of resistance 8Ω8\Omega varies with time (in seconds) as ϕ=5t2−36t+1\phi= 5t^{2}- 36t + 1. The induced current in the circuit at t=2 st= 2\text{ }s is _____ A.

  4. Question 4

    Motion in a Straight Line. Asked once: 28 Jan 2025 (same type asked 5 times) See all 5 of this type

    84
    The velocity-time graph of an object moving along a straight line is shown in figure. What is the distance covered by the object between t=0t = 0 to t=4 st = 4\text{ }s ?

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  5. Question 5

    Nuclei. Asked once: 2 Apr 2026 S2 (same type asked 5 times) See all 5 of this type

    19
    The binding energy per nucleon of  83209Bi\ _{83}^{209}Bi is ____\_\_\_\_ MeV .[Take m( 83209Bi)=208.980388u,mp=1.007825um\left( \ _{83}^{209}Bi \right)= 208.980388u,m_{p}= 1.007825u, mn=1.008665u,1u=931MeV/c2m_{n}= 1.008665u,1u = 931MeV/c^{2} ]

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